EP0102585B1 - Verfahren zur Erzeugung horizontaler Strassenmarkierungsmaterialstreifen, und Strassenmarkierungsgerät - Google Patents

Verfahren zur Erzeugung horizontaler Strassenmarkierungsmaterialstreifen, und Strassenmarkierungsgerät Download PDF

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Publication number
EP0102585B1
EP0102585B1 EP83108302A EP83108302A EP0102585B1 EP 0102585 B1 EP0102585 B1 EP 0102585B1 EP 83108302 A EP83108302 A EP 83108302A EP 83108302 A EP83108302 A EP 83108302A EP 0102585 B1 EP0102585 B1 EP 0102585B1
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EP
European Patent Office
Prior art keywords
platelets
roadway
accordance
marking
agglomerate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP83108302A
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English (en)
French (fr)
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EP0102585A1 (de
Inventor
Ludwig Dr. Eigenmann
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3M Co
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Individual
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Filing date
Publication date
Priority claimed from IT8222934A external-priority patent/IT1208476B/it
Priority claimed from IT25023/82A external-priority patent/IT1218331B/it
Priority claimed from IT8321961A external-priority patent/IT1212829B/it
Application filed by Individual filed Critical Individual
Priority to AT83108302T priority Critical patent/ATE19802T1/de
Publication of EP0102585A1 publication Critical patent/EP0102585A1/de
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Publication of EP0102585B1 publication Critical patent/EP0102585B1/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
    • E01C23/18—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for applying prefabricated markings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
    • E01F9/518—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces formed in situ, e.g. by painting, by casting into the road surface or by deforming the road surface
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
    • E01F9/524—Reflecting elements specially adapted for incorporation in or application to road surface markings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1348—Work traversing type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1788—Work traversing type and/or means applying work to wall or static structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1788—Work traversing type and/or means applying work to wall or static structure
    • Y10T156/1795—Implement carried web supply

Definitions

  • a retro-reflecting globule of special asymmetrical shape also referred to hereafter as "asymmetrical pearl”
  • the special, asymmetrical shape of the pearl improved the optical characteristics, which were further enhanced by a layer of microspheres covering the underside of the globule.
  • Patents corresponding to this Italian patent were also obtained in the US (Patent No. 4 072 403) and in several other countries including Great Britain, Sweden and Canada.
  • More inventions which concerned the method for depositing the optical elements and the relative equipment to do this, and ways of improving the optical efficiency of the elements as, for example, by making them have a double asymmetry.
  • a further step ahead was made by reducing the calendered ribbon of retro-reflecting elements to transverse strips, thus producing a product which is particularly suited for marking large surface areas.
  • the transverse strips are primarily supported on rubber sheets, as shown in UK Patent No. 2 013 265, dated March 3, 1982.
  • the present invention has regard to, and is applicable with, any and all kinds of retro-reflecting devices which can be made by agglomerating optical elements in ribbon form, as described below.
  • the present invention provides according to claims 1-9 an improved method of manufacturing and depositing small plates of agglomerated retro-reflecting material which are capable of providing even economical types of roadway-marking strips with a long-lasting, retro-reflective capability.
  • a device for depositing the retro-reflecting, pearl-agglomerate platelets onto the surface of the roadway according to claims 10-18 also form part of this invention.
  • optical efficiency can be improved by depositing the retro-reflecting pearls in rows.
  • the strips of pearls are obtained from narrow, perpendicular ribbons (shown generally at 1 in Fig. 1'), instead of from transverse sections, the resulting optical- component platelets thus obtained (shown generally at Ap in Fig. 1") are very suitable and economical, their reduced required support area making them compatible with the asperity, i.e. unevennes or roughness of the roadway surfaces. Furthermore, their lower cost makes them suitable for substituting aligned single pearls.
  • the optical component platelets Ap may consist of elemental optical retro-reflecting pearls of a type known per se, as generally shown at 2 in Fig. 2a.
  • Said elemental pearls may preferably comprise an asymmetric-shaped main globule 3, preferably covered at their flattened lower surface with minor or micro-globules or -spheres 4.
  • the aggregate globule elements or pearls 2 provide a high degree of retro-reflectivity due to a mechanism of double-focussing.
  • Said double-focussing, retro-reflecting pearls 2, which are also called retro-reflecting globules, are preferably made of a plastic material.
  • plastic globules do not become opaque under exposure to traffic wear as do glass globules. The traffic passing over them actually polishes the plastic globules; unfortunately, however, the plastic materials wears away to a substantial degree and thus their optical service life is rather short.
  • the globules are indicated by the reference letters G" G 2 and G 3 while the worn away portions are referred to with the corresponding reference letters U i , U 2 and U 3 .
  • the direction of traffic is indicated by the letter "V".
  • the wear pattern is practically symmetrical about the platelet centerline with portion U, being most worn towards the side with which the tires . first come in contact, and portion U 3 being most worn towards the side which last contacts the passing tire. Portion U 2 , as seen, is only worn at the top.
  • These platelets can, therefore, be called “symmetrically wearing” platelets, with reference to their centerlines, and can. also be used to take the place of rows of individual retro-reflecting elements.
  • thermoplastic markings this latter type being of a permanent nature and measuring 3 mm in thickness. All of the various previous kinds of roadway markings, however, have one serious drawback: poor visibility of the markings at night or in rainy weather.
  • the thermoplastic, or so-called "hot-plastic" roadway markings are used the world over but, in a stricter sense, they are not entirely effective in providing the required amount of safety. In the absence of anything available which would be superior to the "hot-plastic" roadway marking, the use of this type of marking had been accepted and tolerated.
  • the Applicant has developed a series of optical components which provide considerable visibility for marking strips at night and especially during rainy weather.
  • the inventor has thus developed various types of composite, prefabricated strips for making and installing roadway-marking strips which incorporate special, sophisticated optical components that guarantee a high degree of visibility and safety even under rainy conditions.
  • Another practical approach is the depositing of the platelets on roadway markings already installed on the surface of the roadway.
  • This approach involves the application of an adhesive material either onto the roadway marking surface or on the underside of the platelets.
  • Various types of suitable adhesives are found on the market which are compatible with the roadway marking itself and are resistant to hydrolysis. The platelets are then attached to the roadway marking and provide the desired visibility.
  • the above-mentioned method has the following advantages:
  • Fig. 3 at Ss shows a section of a sprayed-on, horizontal marking strip, applied with the use of well-known equipment.
  • Spray layers Sp of adhesive using little or no solvent, are applied to the marking strip Ss.
  • This type of adhesive is well known to those skilled in this type of art. Since the agglomerate segments are usually made of methacrylic material, the epoxy adhesives offer the advantages of high mechanical properties and high compatibility with the marking strip.
  • the Sp adhesive layers are applied the full length of the marking strip at intervals that are a multiple of the length of each individual spray layer. This multiple should be, preferably but not critically, four or more.
  • the asymmetrical-pearl agglomerate platelets Ap are applied to the adhesive layers in a coherent fashion.
  • the platelets Ap become attached to the Sp adhesive layers.
  • the platelets Ap can, however, also be attached by means of a melting-type adhesive applied to the underside of the platelets.
  • the platelets to be used both when applying them to marking strips already in service or to marking strips being installed together with the platelets, must be a little narrower than the width of the marking strip, as a rule, and must extend or project above the strip surface a distance of at least one millimeter whereby to ascertain that they will extend or project above the film of water formed when it rains.
  • the present invention also provides for various types of equipment for rapidly depositing the platelets.
  • the equipment of the present invention can be used both for depositing platelets, on roadway markings already in service, and on roadway markings in the process of being installed or laid down.
  • Such equipment in accordance with the invention is shown in Figs. 4 to 7. The relative descriptions follow:
  • Various types of cutting rollers 16 can be used, according to the number of rows of pearls desired for each deposited agglomerate unit.
  • the distance D between the agglomerate units is determined by the rotational speed of the perforated roller 10 and its advancement speed along the roadway surface S.
  • Fig. 5 shows a device for depositing pearl agglomerates from a cartridge. This version is shown in connection and combination with a device for spraying an adhesive.
  • the device comprises a carriage 30 which is provided with means 20 for manual actuation:
  • an ejector device 42 which successively pushes out the lowermost platelet at the bottom of the container and allows the next above platelet to take its place. The process is then repeated as many times as is required.
  • the second cam 58 actuates the ejection device 42 effective to push out the platelet from a slot at the bottom of the platelet container 40.
  • the ejection device is returned to its unactivated or rest condition by means of a spring 60.
  • the third cam 62 actuates the lowering of the pressing weight 44.
  • a spring 64 returns the weight 44 back to its original position.
  • Fig. 6 represents a device for depositing platelets, contained in one or more containers, on roadway markings already in service, by means of a drum 70 similar to that illustrated in Fig. 4.
  • the device is embodied in a carriage and for example is supposed to move in the direction shown by the arrow 65.
  • the general structure of the device of Fig. 6 is analogous to the carriages illustrated previously.
  • a battery of cartridges 66 is provided for holding a supply of platelets.
  • Cartridge 68 is in the working position, which corresponds to the position above drum 70.
  • Drum 70 is provided along its surface with appropriate recesses 72 for receiving the platelets.
  • a suction depression is maintained inside the drum so that as the platelets locate themselves in the recesses 72 they will be held in position.
  • drum 70 brings a platelet into the right position, a jet of air ejected through an air pipe 74 blows out or ejects the platelet onto the roadway surface which, as in the previously-described cases, has been appropriately covered with a suitable adhesive.
  • Drum 70 is connected by means of a chain to auxiliary devices.
  • a blower which provides both the partial vacuum inside drum 70 and the elevated ejection pressure inside air pipe 74.
  • drum 70 may also control the action of such automatic equipment as a pneumatic piston which, in conjunction with a counter, removes the empty cartridges and replaces them with full ones, or the release of a counter-weight or spring which effects the same operation.
  • a pneumatic piston effective to hold the cartridge in the working position.
  • the equipment of the present invention does not necessarily have to have the automatic auxiliary devices just mentioned. The operator may just as well perform the described operations manually.
  • Fig. 7 schematically represents another embodiment of equipment in accordance with the invention for depositing retro-reflecting pearl agglomerate platelets, with parts not really essential being omitted for the sake of clarity and simplicity.
  • the equipment of Fig. 7 has a spindle 80 supported in a conventional manner on suitable spindle supports 82.
  • the spindle is assumed to rotate in the direction shown by an arrow F and the marking-strip ribbon 84 unwinds from it.
  • the position of the ribbon when the spindle is full is shown at 84, whereas 84' shows its position when the spindle is almost empty.
  • the ribbon is guided in the right direction by an idler roller 86 onto a chute 88 from which the sequence of platelets P is successively allowed to fall onto the surface T.
  • a piston 90 provides for a constant advancement at a fixed distance interval and has an idle return stroke.
  • the required transmission means are well known and include a rubber-coated advancement roller 92 with side guides and operating against a counter-roller 94.
  • the equipment further includes an actuating piston 96 for actuating a bending-shearing punch, the end of which is indicated at 98.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)
  • Road Signs Or Road Markings (AREA)

Claims (18)

1. Verfahren zur Ausstattung von Streifenmaterial für die horizontale Straßenmarkierung mit einem hohen Grad an Rückstrahlvermögen, unter Verwendung optischer Elemente von allgemein kugelförmiger Gestalt, die von der Oberfläche des Straßenmarkierungs-Streifenmaterials in dessen betriebsmäßigem Zustand auf der Straßenoberfläche überstehen, dadurch gekennzeichnet, daß man auf bekannten Typen von horizontalen Straßenmarkierungsstreifen rückstrahlende Perl-Agglomerat-Plättchen (Ap) aufbringt, welche wenigstens zwei Reihen (G1, G2, G3, G4) von Perlen umfassen.
2. Verfahren nach Anspruch 1 zur Ausstattung von Streifenmaterial für die horizontale Straßenmarkierung mit einem hohen Grad von Rückstrahlvermögen und mit langer optischer Betriebslebensdauer, dadurch gekennzeichnet, daß man auf bekannte Typen von horizontalen Straßenmarkierungsstreifen rückstrahlende Perl-Agglomerat-Plättchen (Ap) aufbringt, welche wenigstens drei Reihen (Gi, G2, G3, Fig. 2b) von Perlen aufweisen, wobei die erste (G1) und die letztgenannte (G3) der genannten Reihen in der gleichen Weise wie eine einzelne Perle dem Betriebsverschleiß unterliegen, während die mittlere(n) Reihe(n) (G2) durch die genannte erste (G1) und die letztgenannte (G3) Reihen geschützt ist/sind und daher einem wesentlich langsameren Betriebsverschleiß unterliegen.
3. Verfahren nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß die genannten Perl-Agglomerat-Plättchen (Ap) durch Abschneiden von senkrechten Bändern (1) von kalandriertem Rückstrahlmaterial erhalten werden.
4. Verfahren nach einem der vorhergehenden Ansprüche, gekennzeichnet durch die Verwendung von Agglomerat-Plättchen (Ap), die charakteristisch schmaler als die Breite des Straßenmarkierungsstreifens (Ss, Fig. 3) sind.
5. Verfahren nach einem der vorhergehenden Ansprüche, gekennzeichnet durch örtliches Aufbringen von mehrere Reihen (Gi, G2, G3, G4) Perlen enthaltenden Agglomeratplättchen (Ap) auf einen Straßenmarkierungsstreifen (Ss) während des Ablegevorgangs des genannten Streifens auf die Straße.
6. Verfahren nach einem der Ansprüche 1 bis 4, um einem bereits verlegten Straßenmarkierungsstreifen Sichtbarkeit bei regnerischem Wetter zu verleihen, gekennzeichnet durch örtliches Aufsprühen eines Klebers in kleinen Bereichen (Sp, Fig. 3) auf der Oberseite eines bereits in Betrieb befindlichen Straßenmarkierungsstreifens (Ss), wobei der Kleber so gewählt ist, daß er mit dem Straßenmarkierungsstreifen kompatibel ist, und nachfolgendes Aufbringen von Agglomerat- Plättchen (Ap) solcher Ausbildung, daß sie dem Markierungsstreifen Sichtbarkeit unter regnerischen Bedingungen verleihen, auf die mit Klebstoff bedeckten Bereiche (Sp).
7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß die Arbeitsgänge des Aufsprühens des Klebers aufeinanderfolgend mit sich wiederholenden Intervallen ausgeführt werden, wobei der Abstand zwischen besprühten Bereichen wenigstens gleich dem Vierfachen der Länge des besprühten Bereichs ist, gemessen im wesentlichen in Richtung des Markierungsstreifens.
8. Verfahren nach einem der Ansprüche 1 bis 4, um einen zuvor verlegten, bereits in Betrieb befindlichen Straßenmarkierungsstreifen mit Sichtbarkeit im Regen auszustatten, gekennzeichnet durch örtliches . Aufbringen von Agglomerat-Plättchen (Ap) auf den verlegten Straßenmarkierungsstreifen (Ss), wobei die Agglomeratplättchen so ausgebildet sind, daß sie dem Markierungsstreifen (Ss) Sichtbarkeit unter regnerischen Bedingungen verleihen, sowie weiter gekennzeichnet durch Anbringung eines Schmelzklebers an der Unterseite der Plättchen (Ap) und Verflüssigung dieses Klebers vor der Aufbringung der Plättchen auf den Straßenmarkierungsstreifen.
9. Verfahren nach Anspruch 8, gekennzeichnet durch aufeinanderfolgendes Aufbringen der genannten Agglomeratplättchen (Ap) mit dem Schmelzkleber an ihrer Unterseite auf den Markierungsstreifen in Abständen, die wenigstens gleich dem Vierfachen der Länge der Agglomeratplättchen sind, gemessen im wesentlichen in Richtung des Markierungsstreifens.
10. Straßenmarkierungsgerät zur Anbringung optischer Elemente in Form von Agglomerat-Perlplättchen (Ap), nach dem Verfahren gemäß einem der vorhergehenden Ansprüche, wobei das Gerät Mittel zur Vorratsspeicherung der genannten Plättchen sowie Mittel aufweist, um die genannten Plättchen aus den genannten Vorratsspeichermitteln in sequentieller, aufeinanderfolgender Arbeitsweise aufzubringen.
11. Gerät nach Anspruch 10, gekennzeichnet durch die Verwendung eines durch Längsschneiden eines kalandrierten Erzeugnisses erhaltenen Bandes als Ausgangsmaterial, und weiter gekennzeichnet durch querverlaufende Schneidemittel, um aus dem genannten Band (1) die genannten Agglomeratplättchen (Ap) durch einen quervertaufenden Schnitt zu erhalten.
12. Gerät nach Anspruch 10 oder Anspruch 11, gekennzeichnet durch Ansaug- und Ausstoßmittel, welche zunächst die Agglomeratplättchen ansaugen und sie sodann durch Ausblasen in ihre Verlegestellung bringen.
13. Gerät nach Anspruch 10, gekennzeichnet durch Kassetten- bzw. Patronen-Vorratsspeichermittel (40, 42, Fig. 5; 66, Fig. 6) zur Vorratsspeicherung der genannten, durch Abschneiden von einem Längsband erhaltenen Agglomerat- plättchen, sowie Mittel zur Aufbringung der genannten Plättchen aus der Kassetten- bzw. Patronen-Vorrats-Speichervorrichtung auf die Straßenmarkierung.
14. Gerät nach Anspruch 13, dadurch gekennzeichnet, daß die in der Kassette bzw. Patrone (66, 68, Fig. 6) gehalterten Agglomeratplättchen auf eine rotierende Trommel bzw. Walze (70) überführt und in Stellung gebracht und von dort auf den Straßenmarkierungsstreifen übertragen und in Stellung gebracht werden.
15. Gerät nach Anspruch 10, dadurch gekennzeichnet, daß es, zusammen mit wenigstens einer Halterung für wenigstens eine Wickelspindel von Perl-Streifen-Band-Vorratsmaterial (12, Fig. 4; 80, 84, Fig. 7)-eine Vorrichtung (10, 14, Fig. 4; 86, 92, 94, Fig. 7) zur Führung des genannten Vorratsbandmaterials (12; 84) in Richtung zum Erdboden aufweist, auf welcher das Band nach Ausführung von Biege-Scher-Arbeitsgängen (16; 98) entlanggleitet, zur Erzeugung der selektiv angeordneten abgelängten Stücke.
16. Gerät nach Anspruch 15, dadurch gekennzeichnet, daß es eine mechanische, hydraulische oder pneumatische Vorrichtung zum fortschreitenden Vorschub des auf der genannten Vorratsspindel aufgewickelten Materials aufweist.
17. Gerät nach Anspruch 15 oder Anspruch 16, dadurch gekennzeichnet, daß es wenigstens eine, vorzugsweise mit Gummi überzogene und mit seitlichen Führungen versehene Walze zur Erzielung des genannten Vorschubs aufweist.
18. Gerät nach einem der Ansprüche 15 bis 17, dadurch gekennzeichnet, daß es Biege-Scher-Stanzwerkzeuge (98) zum selektiven Schneiden des Perlstreifenmaterials während seiner geführten Abwärtsbewegung auf die Straßenoberfläche aufweist.
EP83108302A 1982-08-23 1983-08-23 Verfahren zur Erzeugung horizontaler Strassenmarkierungsmaterialstreifen, und Strassenmarkierungsgerät Expired EP0102585B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83108302T ATE19802T1 (de) 1982-08-23 1983-08-23 Verfahren zur erzeugung horizontaler strassenmarkierungsmaterialstreifen, und strassenmarkierungsgeraet.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
IT8222934A IT1208476B (it) 1982-08-23 1982-08-23 Metodo e apparecchiatura per assicurare alla segnaletica stradale orizzontale alto potere retroriflettente e lunga vita ottica nel tempo.
IT2293482 1982-08-23
IT2502382 1982-12-29
IT25023/82A IT1218331B (it) 1982-12-29 1982-12-29 Metodo per rendere visibile nella pioggia la segnaletica stradale gia' in opera
IT8321961A IT1212829B (it) 1983-07-06 1983-07-06 Perfezionamento ai metodi e alle apparecchiature per il taglio e il deposito di agglomerati di perle catarifrangenti e striscia segnaletica comprendente tali agglomerati.
IT2196183 1983-07-06

Publications (2)

Publication Number Publication Date
EP0102585A1 EP0102585A1 (de) 1984-03-14
EP0102585B1 true EP0102585B1 (de) 1986-05-14

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EP83108302A Expired EP0102585B1 (de) 1982-08-23 1983-08-23 Verfahren zur Erzeugung horizontaler Strassenmarkierungsmaterialstreifen, und Strassenmarkierungsgerät

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US (2) US4607978A (de)
EP (1) EP0102585B1 (de)
CA (1) CA1209391A (de)
DE (1) DE3363521D1 (de)

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CH664781A5 (it) * 1985-07-23 1988-03-31 Eigenmann Ludwig Procedimento per la formazione di mezzi di segnalazione stradale ottenuti dall'addensamento di elementi retroriflettenti singoli.
CH667480A5 (it) * 1985-12-18 1988-10-14 Helmut Eigenmann Procedimento per la deposizione di elementi retroriflettenti visibili nella pioggia sulla superficie stradale e dispositivo per realizzarlo.
GB8910454D0 (en) * 1989-05-06 1989-06-21 Mone Bros Roadmarkings Limited Road marking method
GB9001283D0 (en) * 1990-01-19 1990-03-21 Associated Asphalt Co Ltd Apparatus for applying preformed ribs of a thermoplastics material to a line marking on a road surface
AU673136B2 (en) * 1991-04-05 1996-10-31 Barry David Pacey Road marking method - the application of rib pads
IT1255125B (it) * 1992-05-04 1995-10-20 Minnesota Mining & Mfg Nastro segnaletico stradale preformato altamente conformabile
AU3133395A (en) * 1994-09-15 1996-03-29 Minnesota Mining And Manufacturing Company Hand applicator for adhesive sheeting
US5986838A (en) 1995-02-14 1999-11-16 Iomega Corporation Thin retroreflective marker for data storage cartridge
US6067214A (en) * 1995-02-14 2000-05-23 Iomega Corporation Data cartridge marker for foreign object detection
US6097562A (en) * 1995-02-14 2000-08-01 Iomega Corporation Disk drive for detecting a retroreflective marker on a data storage cartridge
US5774265A (en) * 1996-02-05 1998-06-30 Minnesota Mining And Manufacturing Company Durable retroreflective elements
AU5169396A (en) * 1996-02-05 1997-08-22 Minnesota Mining And Manufacturing Company Layered retroreflective elements
JP2002505696A (ja) 1997-06-13 2002-02-19 ミネソタ マイニング アンド マニュファクチャリング カンパニー 液体路面標識組成物
USRE40088E1 (en) 1997-06-13 2008-02-19 3M Innovative Properties Company Liquid pavement marking compositions
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DE3363521D1 (en) 1986-06-19
CA1209391A (en) 1986-08-12
US4607978A (en) 1986-08-26
EP0102585A1 (de) 1984-03-14
US4652172A (en) 1987-03-24

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